20527896987

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{3089}}^1\times {\mathrm{6311}}^1$

素因数の和:9425

約数の個数: 40

約数和(自身を含む): 33039911520

約数和(自身を除く): 12512014533

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 3089, 6311, 9267, 18933, 27801, 40157, 56799, 82043, 83403, 120471, 170397, 246129, 250209, 361413, 511191, 738387, 1084239, 2215161, 3252717, 6645483, 19494679, 58484037, 175452111, 253430827, 526356333, 760292481, 1579068999, 2280877443, 6842632329, 20527896987]

約数ペア:

[(1, 20527896987), (3, 6842632329), (9, 2280877443), (13, 1579068999), (27, 760292481), (39, 526356333), (81, 253430827), (117, 175452111), (351, 58484037), (1053, 19494679), (3089, 6645483), (6311, 3252717), (9267, 2215161), (18933, 1084239), (27801, 738387), (40157, 511191), (56799, 361413), (82043, 250209), (83403, 246129), (120471, 170397)]